Cutter blade for a shear device



FIG. 1 is a perspective view of a cutter blade for a shear device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a perspective view thereof, the shear device body and handles depicted by means of broken lines being for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a cutter blade for a shear device, as shown and described. 